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(0.31+7/8x)*100=731
We move all terms to the left:
(0.31+7/8x)*100-(731)=0
Domain of the equation: 8x)*100!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
(7/8x+0.31)*100-731=0
We multiply parentheses
700x+31-731=0
We add all the numbers together, and all the variables
700x-700=0
We move all terms containing x to the left, all other terms to the right
700x=700
x=700/700
x=1
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